212021210121022 has 8 divisors (see below), whose sum is σ = 325788688722672. Its totient is φ = 103424980546800.

The previous prime is 212021210121011. The next prime is 212021210121023. The reversal of 212021210121022 is 220121012120212.

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

It is a super-3 number, since 3×212021210121022³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212021210121023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1292812256754 + ... + 1292812256917.

It is an arithmetic number, because the mean of its divisors is an integer number (40723586090334).

Almost surely, 2^{212021210121022} is an apocalyptic number.

212021210121022 is a deficient number, since it is larger than the sum of its proper divisors (113767478601650).

212021210121022 is a wasteful number, since it uses less digits than its factorization.

212021210121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2585624513714.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 212021210121022 its reverse (220121012120212), we get a palindrome (432142222241234).

The spelling of 212021210121022 in words is "two hundred twelve trillion, twenty-one billion, two hundred ten million, one hundred twenty-one thousand, twenty-two".