202101122021027 has 2 divisors, whose sum is σ = 202101122021028. Its totient is φ = 202101122021026.

The previous prime is 202101122021023. The next prime is 202101122021131. The reversal of 202101122021027 is 720120221101202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202101122021027 - 2² = 202101122021023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 202101122020993 and 202101122021011.

It is not a weakly prime, because it can be changed into another prime (202101122021023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101050561010513 + 101050561010514.

It is an arithmetic number, because the mean of its divisors is an integer number (101050561010514).

Almost surely, 2^{202101122021027} is an apocalyptic number.

202101122021027 is a deficient number, since it is larger than the sum of its proper divisors (1).

202101122021027 is an equidigital number, since it uses as much as digits as its factorization.

202101122021027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 202101122021027 its reverse (720120221101202), we get a palindrome (922221343122229).

The spelling of 202101122021027 in words is "two hundred two trillion, one hundred one billion, one hundred twenty-two million, twenty-one thousand, twenty-seven".