1020122120222 has 32 divisors (see below), whose sum is σ = 1564291310400. Its totient is φ = 498757529088.

The previous prime is 1020122120221. The next prime is 1020122120287. The reversal of 1020122120222 is 2220212210201.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1020122120222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020122120221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142491479 + ... + 142498637.

It is an arithmetic number, because the mean of its divisors is an integer number (48884103450).

Almost surely, 2^{1020122120222} is an apocalyptic number.

1020122120222 is a deficient number, since it is larger than the sum of its proper divisors (544169190178).

1020122120222 is a wasteful number, since it uses less digits than its factorization.

1020122120222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11540.

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

Adding to 1020122120222 its reverse (2220212210201), we get a palindrome (3240334330423).

The spelling of 1020122120222 in words is "one trillion, twenty billion, one hundred twenty-two million, one hundred twenty thousand, two hundred twenty-two".