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10122002202221 = 713111230793431
BaseRepresentation
bin1001001101001011011001…
…0110000111111001101101
31022211122122201220021102122
42103102312112013321231
52311314330030432341
633305552243402325
72063201436063050
oct223226626077155
938748581807378
1010122002202221
1132527983aa318
1211758660833a5
135856680ab420
1426dc9c344a97
1512846aa9394b
hex934b6587e6d

10122002202221 has 8 divisors (see below), whose sum is σ = 12457848864384. Its totient is φ = 8008617126960.

The previous prime is 10122002202203. The next prime is 10122002202227. The reversal of 10122002202221 is 12220220022101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10122002202221 - 214 = 10122002185837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10122002202221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10122002202227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55615396625 + ... + 55615396806.

It is an arithmetic number, because the mean of its divisors is an integer number (1557231108048).

Almost surely, 210122002202221 is an apocalyptic number.

It is an amenable number.

10122002202221 is a deficient number, since it is larger than the sum of its proper divisors (2335846662163).

10122002202221 is a wasteful number, since it uses less digits than its factorization.

10122002202221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111230793451.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 10122002202221 its reverse (12220220022101), we get a palindrome (22342222224322).

The spelling of 10122002202221 in words is "ten trillion, one hundred twenty-two billion, two million, two hundred two thousand, two hundred twenty-one".

Divisors: 1 7 13 91 111230793431 778615554017 1446000314603 10122002202221