102012121201101 has 8 divisors (see below), whose sum is σ = 136459210989024. Its totient is φ = 67786556106960.

The previous prime is 102012121201087. The next prime is 102012121201121. The reversal of 102012121201101 is 101102121210201.

It is a happy number.

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

It is not a de Polignac number, because 102012121201101 - 2⁷ = 102012121200973 is a prime.

It is a super-2 number, since 2×102012121201101² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102012121201121) 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, 55381172370 + ... + 55381174211.

It is an arithmetic number, because the mean of its divisors is an integer number (17057401373628).

Almost surely, 2^{102012121201101} is an apocalyptic number.

It is an amenable number.

102012121201101 is a deficient number, since it is larger than the sum of its proper divisors (34447089787923).

102012121201101 is a wasteful number, since it uses less digits than its factorization.

102012121201101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110762346891.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 102012121201101 its reverse (101102121210201), we get a palindrome (203114242411302).

The spelling of 102012121201101 in words is "one hundred two trillion, twelve billion, one hundred twenty-one million, two hundred one thousand, one hundred one".