1022101121012 has 6 divisors (see below), whose sum is σ = 1788676961778. Its totient is φ = 511050560504.

The previous prime is 1022101121009. The next prime is 1022101121039. The reversal of 1022101121012 is 2101211012201.

It can be written as a sum of positive squares in only one way, i.e., 848690507536 + 173410613476 = 921244^2 + 416426^2 .

It is a super-3 number, since 3×1022101121012³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127762640123 + ... + 127762640130.

It is an arithmetic number, because the mean of its divisors is an integer number (298112826963).

Almost surely, 2^{1022101121012} is an apocalyptic number.

It is an amenable number.

1022101121012 is a deficient number, since it is larger than the sum of its proper divisors (766575840766).

1022101121012 is a wasteful number, since it uses less digits than its factorization.

1022101121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255525280257 (or 255525280255 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1022101121012 its reverse (2101211012201), we get a palindrome (3123312133213).

The spelling of 1022101121012 in words is "one trillion, twenty-two billion, one hundred one million, one hundred twenty-one thousand, twelve".