1021212201102 has 16 divisors (see below), whose sum is σ = 2042962919760. Its totient is φ = 340314314112.

The previous prime is 1021212201091. The next prime is 1021212201103. The reversal of 1021212201102 is 2011022121201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021212201103) 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, 22413577 + ... + 22459092.

It is an arithmetic number, because the mean of its divisors is an integer number (127685182485).

Almost surely, 2^{1021212201102} is an apocalyptic number.

1021212201102 is an abundant number, since it is smaller than the sum of its proper divisors (1021750718658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1021212201102 is a wasteful number, since it uses less digits than its factorization.

1021212201102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44876467.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1021212201102 its reverse (2011022121201), we get a palindrome (3032234322303).

The spelling of 1021212201102 in words is "one trillion, twenty-one billion, two hundred twelve million, two hundred one thousand, one hundred two".